The writer expresses surprise and admiration for the recipient’s undertaking of a useful project, despite their own advanced age and inability to contribute directly. They comment on the complexity and scale of the genealogical work described, noting a discrepancy in the count of ancestors across generations. Additionally, the writer corrects a historical inaccuracy regarding the role of secretaries of state and muses on the differing genealogical traditions across cultures. They conclude with respectful regards and acknowledge the recipient’s dedication to both history and faith.

The writer expresses that presenting new works to the recipient, who is esteemed as a leading figure in literature, seems unnecessary as the recipient’s own letters surpass contemporary books in quality. However, given the current tumultuous state of European affairs, the writer feels it is appropriate to offer a modest critique of a prevailing system of thought. They humbly hope that the recipient might find some value in the critique and are deeply respectful.

The elderly and ailing writer has received word of an unsigned letter dated 4 June from his correspondent. Though too removed from worldly affairs to engage in national disputes, he expresses profound respect for the correspondent’s distinguished contributions, which have notably safeguarded Vienna from Ottoman control and may one day help liberate Europe from these invaders. The writer reflects on the failure of Christian princes to place the public good above their personal interests, while praising those of his correspondent’s rank who have achieved remarkable victories.